{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133343",
    "entityType": "User",
    "nonce": "0x92ed8d0c22b25b68141528be8c73718f426245ec7927be7bc9aff4b7194c698a",
    "signature": "0x4806a87dfd1be6d1972637a622fc70bc444e5274c2f3356a2c14247b2f44c1dc7e4b0a9ee22218e1b497efb0c40561ee37849fe647558fb6c56f5acb905978cc1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}